A d-shaped part and a u-shaped part mounted on a common axis so as to permit relative rotation between the parts. The u-shaped part has a pin or a bolt across the open legs.
NSN 5998-01-448-9920
NSN 5895-01-326-0101
NSN 5985-00-454-2372
NSN 5920-00-422-5517
NSN 5996-00-846-3300
NSN 6685-01-607-4526
NSN 5915-01-350-2407
NSN 5996-00-618-5920
NSN 2925-01-027-1293
NSN 6620-00-090-1601
NSN 5895-00-465-7698
NSN 6645-01-523-8809